Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

DS Rakesh Siyal is an idealist. Frustrated as an Edinburgh human rights lawyer, he joins the police, determined to solve the problems he sees with the criminal justice system from the inside, rather than out. His first day as a cop sees him sent down to Galashiels in the Scottish Borders, where he’s given a simple task – return a suspect to Glasgow to face justice.

The body of a blonde young man found in the canal is discovered to be that of a journalist who had been claiming he was onto the story of a lifetime. The area where he was murdered turns out to be subject to a land dispute. A young woman is adamant she remembers a childhood twin brother, but her father swears she’s an only child. And now a second young blonde is missing. Rachel King and her East Manchester CID team must determine what links this all together - or are they being led to draw connections which aren’t there? And if so, who is pulling their strings? 

Callum is lured to an isolated boathouse by an attractive older woman. When she gets him alone, she knocks him out with a single blow. Surrounded by hills and lakes, Still Waters is home to a close-knit community of wealthy retirees. It's an unlikely setting for violence. The police don't take Callum's disappearance seriously: he's 24-years-old, after all. But Callum's mother, a Still Waters resident, knows that something is very wrong. Then a body is discovered floating in the lake. Head bashed in. But it's not Callum. And someone tweets: Come out to play one last time, Alice. 

When a 15-year-old girl fails to make it home after school, DI Heather Filson believes she’s dealing with just another teenage runaway. The girl’s grandfather, a notorious Glasgow gangster, disagrees. Convinced one of his underworld enemies has grabbed her, he’s prepared to bathe the city in blood in order to bring his princess home.

As the sun rises, a wealthy young woman, Samantha Seabrook, is found drowned in the ornamental fountain of a deserted Cambridge courtyard, the only clue: an antique silver chain wound tightly around her throat. It’s Tara Thorpe’s job to discover what happened to Miss Seabrook. But the case becomes personal when she learns that Samantha had been receiving death threats, rather like the one that landed on Tara’s doorstep the night the woman died. Together with Detective Inspector Garstin Blake, Tara tracks the killer to the dank and dangerous fens on the outskirts of the city. 

When the chief suspect in the notorious "peekaboo cop killer" case blew himself up, almost taking lead investigator DCI  Duncan Bone with him, the psychologically damaged detective thought his days on the force were over. But, when another PC is abducted and murdered in the same deranged peekaboo fashion, Bone is persuaded to return to lead the new investigation.

Meet DCI Lesley Clarke. She’s a straight-talking city copper who doesn’t suffer fools gladly…and she’s been transferred to rural Dorset. After being injured in a bomb attack, Lesley is presented with a choice - early retirement, or a period of respite in a calmer location. But things don’t stay calm for long. Before she’s even started her new job, Lesley is dragged into investigating a murder at one of England’s most iconic landmarks, the imposing Corfe Castle.

England, 1920. Eleanor Swift has spent the last few years travelling the world: taking tea in China, tasting alligators in Peru, escaping bandits in Persia and she has just arrived in England after a chaotic 45-day flight from South Africa. Chipstone is about the sleepiest town you could have the misfortune to meet. But then, from the edge of a quarry, through the driving rain, Eleanor is shocked to see a man shot and killed in the distance. Before she can climb down to the spot, the villain is gone and the body has vanished.

Detective Jack Mackinnon has his work cut out trying to track down missing student, Anya Blonski. As Mackinnon follows the trail of obsession and murder to the shady owners of the Star Academy, who thrive on society's obsession with reality TV shows, he realises the fame they offer comes at a price. When a second girl goes missing, Mackinnon is forced to consider a serial killer may be stalking the city.

When Matt Ballard was starting out his career, three boys were murdered in the same area, the remote and bleak Gibbet Fen. When the main suspect was killed in a hit-and-run, the killings stopped. But Matt was not satisfied that the real murderer had been caught. Over 25 years later, Matt gets a photo in an unmarked envelope. It's of the Gibbet Fen crime scene. And the picture was taken before the murder took place. More photos arrive, relating to the historic murders, as well as intimate pictures of Matt's very secret private life.

A woman is found in a local cemetery, crushed to death under a gravestone. A production company is there, filming the remake of a classic sci-fi TV show on the grounds, making the investigation more difficult for DCI Harry McNeil. It's his first day in charge of the cold case unit in Edinburgh. After spending four years in Professional Standards, he has little choice but to take the promotion.

Amy Hill, a 19-year-old student, is strangled and her body dumped on open ground in the city. New police partners, DI Jim Neal and DS Ava Merry are called in to investigate this brutal crime. The last person to see Amy alive was Simon, the son of a family friend, but before he can be properly questioned he disappears. Detectives Neal and Merry are led on a trail of shocking family secrets and crimes. Can this duo track down the murderer before anyone else dies? Stopping this tragic cycle of violence will put DS Merry’s life at risk in a thrilling and heart-stopping finale.

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

The corpse of a young woman is found on a golf course. Clues are few until Sussex Police discover she was a student...and a model on a pornographic website run by two of her tutors. Technically, the deviant owners of this website are doing nothing illegal. 

DI Henderson is forced to face his prejudices, resulting in an explosive confrontation. University has just become a very dangerous place.